ArticleGenome biology and evolution2022
Mitochondrial phylogenomics of Cuscuta (Convolvulaceae) reveals a potentially functional horizontal gene transfer from the host.
Article in Genome biology and evolution, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed, 20 citations in OpenAlex.
- From laurels to parasites: the origin, evolution, systematics, and applications ofFrontiers in plant science · 2026Review
- Horizontal gene transfer of the Pytheas sequence from Cuscuta to Orobanche via a host-mediated pathway.Scientific reports · 2025Article
- Unequally Abundant Chromosomes and Unusual Collections of Transferred Sequences Characterize Mitochondrial Genomes of Gastrodia (Orchidaceae), One of the Largest Mycoheterotrophic Plant Genera.Molecular biology and evolution · 2025Article
- Article
- Phylogenetic incongruence in an Asiatic species complex of the genus Caryodaphnopsis (Lauraceae).BMC plant biology · 2024Article
- The complete mitochondrial genome ofFrontiers in plant science · 2024Article
- The complete mitochondrial genome ofFrontiers in plant science · 2024Article
- Invited Review Beyond parasitic convergence: unravelling the evolution of the organellar genomes in holoparasites.Annals of botany · 2023Review
- Assembly and comparative analysis of the complete mitochondrial genome of Viburnum chinshanense.BMC plant biology · 2023Article
- The plant vampire diaries: a historic perspective on Cuscuta research.Journal of experimental botany · 2023Review
- Article
- Article
- Highly active repeat-mediated recombination in the mitogenome of the holoparasitic plantFrontiers in plant science · 2022Article
- Review
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3 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Horizontal gene transfers (HGTs) from host or other organisms have been reported in mitochondrial genomes of parasitic plants. Genes transferred in this fashion have usually been found non-functional. Several examples of HGT from the mitochondrial genome of parasitic Cuscuta (Convolvulaceae) to its hosts have been reported, but not vice versa. Here we used 31 protein-coding mitochondrial genes to infer the phylogeny of Cuscuta, and compared it with previous nuclear and plastid phylogenetic estimates. We also investigated the presence of HGTs within these lineages. Unlike in plastid genomes, we did not find extensive gene loss in their mitochondrial counterparts. Our results reveal the first example of organellar HGT from host to Cuscuta. Mitochondrial atp1 genes of South African subgenus Pachystigma were inferred to be transferred from Lamiales, with high support. Moreover, the horizontally transferred atp1 gene has functionally replaced the native, vertically transmitted copy, has an intact open reading frame, and is under strong purifying selection, all of which suggests that this xenolog remains functional. The mitochondrial phylogeny of Cuscuta is generally consistent with previous plastid and nuclear phylogenies, except for the misplacement of Pachystigma when atp1 is included. This incongruence may be caused by the HGT mentioned above. No example of HGT was found within mitochondrial genes of three other, independently evolved parasitic lineages we sampled: Cassytha/Laurales, Krameria/Zygophyllales, and Lennooideae/Boraginales.
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